Re: [PATCH 2/9] Remove VIR_STRNDUP usage that passes -1

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On 11/12/19 2:02 PM, Ján Tomko wrote:
Replace all the usage of
   VIR_STRNDUP(dest, b, p ? p - b : -1)
with separate calls to g_strndup/g_strdup.

Signed-off-by: Ján Tomko <jtomko@xxxxxxxxxx>
---
  src/bhyve/bhyve_parse_command.c | 38 +++++++++++++++++++++------------
  src/libxl/xen_common.c          | 15 +++++++------
  src/remote/remote_driver.c      |  6 ++++--
  3 files changed, 37 insertions(+), 22 deletions(-)

diff --git a/src/bhyve/bhyve_parse_command.c b/src/bhyve/bhyve_parse_command.c
index fa3b881f21..5c5dfae4a9 100644
--- a/src/bhyve/bhyve_parse_command.c
+++ b/src/bhyve/bhyve_parse_command.c
@@ -150,8 +150,10 @@ bhyveCommandLineToArgv(const char *nativeConfig,
          start = curr;
          next = strchr(curr, '\n');
- if (VIR_STRNDUP(line, curr, next ? next - curr : -1) < 0)
-            goto error;
+        if (next)
+            line = g_strndup(curr, next - curr);
+        else
+            line = g_strdup(curr);
if (VIR_RESIZE_N(lines, lines_alloc, line_count, 2) < 0) {
              VIR_FREE(line);
@@ -194,8 +196,10 @@ bhyveCommandLineToArgv(const char *nativeConfig,
                  next = strchr(start, ' ');
              }
- if (VIR_STRNDUP(arg, curr, next ? next - curr : -1) < 0)
-                goto error;
+            if (next)
+                arg = g_strndup(curr, next - curr);
+            else
+                arg = g_strdup(curr);
if (next && (*next == '\'' || *next == '"'))
                  next++;
@@ -366,8 +370,10 @@ bhyveParsePCISlot(const char *slotdef,
next = strchr(curr, ':'); - if (VIR_STRNDUP(val, curr, next? next - curr : -1) < 0)
-           goto error;
+       if (next)
+           val = g_strndup(curr, next - curr);
+       else
+           val = g_strdup(curr);
if (virStrToLong_ui(val, NULL, 10, &values[i]) < 0)
             goto error;
@@ -441,9 +447,10 @@ bhyveParsePCIDisk(virDomainDefPtr def,
          goto error;
separator = strchr(config, ',');
-    if (VIR_STRNDUP(disk->src->path, config,
-                    separator? separator - config : -1) < 0)
-        goto error;
+    if (separator)
+        disk->src->path = g_strndup(config, separator - config);
+    else
+        disk->src->path = g_strdup(config);
if (bus == VIR_DOMAIN_DISK_BUS_VIRTIO) {
          idx = *nvirtiodisk;
@@ -515,9 +522,10 @@ bhyveParsePCINet(virDomainDefPtr def,
      }
separator = strchr(config, ',');
-    if (VIR_STRNDUP(net->ifname, config,
-                    separator? separator - config : -1) < 0)
-        goto error;
+    if (separator)
+        net->ifname = g_strndup(config, separator - config);
+    else
+        net->ifname = g_strdup(config);
if (!separator)
          goto cleanup;
@@ -578,8 +586,10 @@ bhyveParseBhyvePCIArg(virDomainDefPtr def,
      if (conf)
          conf++; /* Skip initial comma */
- if (VIR_STRNDUP(emulation, separator, conf? conf - separator - 1 : -1) < 0)
-        goto error;
+    if (conf)
+        emulation = g_strndup(separator, conf - separator - 1);
+    else
+        emulation = g_strdup(separator);



Nit: there's an 'if (conf)' right before the VIR_STRNDUP() call you're replacing.
You can get a ride in it to insert the g_strndup call instead of adding a new
'if (conf)':

        if (conf) {
            conf++; /* Skip initial comma */
            emulation = g_strndup(separator, conf - separator - 1);
        } else {
            emulation = g_strdup(separator);
        }


Reviewed-by: Daniel Henrique Barboza <danielhb413@xxxxxxxxx>


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